767748961 has 16 divisors (see below), whose sum is σ = 899666944. Its totient is φ = 641453904.

The previous prime is 767748931. The next prime is 767748973. The reversal of 767748961 is 169847767.

It is not a de Polignac number, because 767748961 - 2¹⁵ = 767716193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (767748911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162316 + ... + 166978.

It is an arithmetic number, because the mean of its divisors is an integer number (56229184).

Almost surely, 2^767748961 is an apocalyptic number.

It is an amenable number.

767748961 is a deficient number, since it is larger than the sum of its proper divisors (131917983).

767748961 is a wasteful number, since it uses less digits than its factorization.

767748961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260.

The product of its digits is 3556224, while the sum is 55.

The square root of 767748961 is about 27708.2832560951. The cubic root of 767748961 is about 915.6716026415.

The spelling of 767748961 in words is "seven hundred sixty-seven million, seven hundred forty-eight thousand, nine hundred sixty-one".